ISO 12744:1997
Copper, lead and zinc sulfide concentrates - Experimental methods for checking the precision of sampling

Standard No.

ISO 12744:1997

Release Date

1997

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 12744:2006

Latest

ISO 12744:2006

Scope

This International Standard specifies methods for checking the precision of primary sampling, sample processing, chemical analysis, physical testing and de-termination of moisture content of copper, lead and zinc sulfide concentrates being carried out in ac-cordance with the methods specified in ISO 12743, expressed in terms of standard deviations.

ISO 12744:1997 history

• 2006 ISO 12744:2006 Copper, lead, zinc and nickel concentrates - Experimental methods for checking the precision of sampling
• 1997 ISO 12744:1997 Copper, lead and zinc sulfide concentrates - Experimental methods for checking the precision of sampling